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- W2531377812 abstract "Several effective methods for cobalt-catalysed carbonylation of aryl halides into the corresponding carbonylic compounds have been developed using alkyltetra-carbonylcobalt complexes RCo(CO){sub 4}, which are usually prepared {open_quotes}in situ{close_quotes} from CO(CO){sub 4}{sup -} and alkylhalides ({open_quotes}co-catalysts{close_quotes}). The authors found that some epoxides can be also used as a very effective {open_quotes}co-catalysts{close_quotes} in such reactions. The same results were obtained using as {open_quotes}co-catalysts{close_quotes} the chlorohydrines - RCH(OH)CH{sub 2}Cl. Evidently they give the same intermediate at the reaction conditions as epoxides. All these catalytic systems are more active than ones studied early. It believed that this depends on the negative charge on the oxyalkyltetracarbonylcobalt complex: [OCH(R)CH{sub 2}Co(CO){sub 4}]{sup -} produced immediately by the interaction between the oxide or haloidhydrine and Co(CO){sub 4}{sup -}." @default.
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- W2531377812 date "1995-12-31" @default.
- W2531377812 modified "2023-09-24" @default.
- W2531377812 title "New aryl halides carbonylation catalysts on the basis of epoxides and tetracarbonylcobaltates" @default.
- W2531377812 hasPublicationYear "1995" @default.
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